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BS EN ISO 17201-2:2006

Current
Current

The latest, up-to-date edition.

Acoustics. Noise from shooting ranges Estimation of muzzle blast and projectile sound by calculation
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-30-2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.1 General
  3.2 Directivity
  3.3 Energy
  3.4 Fraction
  3.5 Projectile
4 Estimation model for source data of the muzzle blast
  4.1 General
  4.2 Estimation of chemical energy
  4.3 Estimation of acoustic energy
  4.4 Estimation of the Weber energy
  4.5 Estimation of directivity
  4.6 Estimation of the spectrum
5 Estimation model for projectile sound
  5.1 General
  5.2 Estimation of projectile sound source energy
6 Sound exposure
7 Uncertainty of estimation
Annex A (informative) Simple blast model for estimation of
                      sound energy and its spectrum
Annex B (informative) Quality of input data
Annex C (informative) Examples for estimation of muzzle blast
Annex D (informative) Estimation of sound exposure of projectile
                      according to Figure 3 flowchart - Example
Bibliography

Specifies methods for estimating the acoustic source data of muzzle blast and explosions and the source data of projectile sound on the basis of non-acoustic data for firearms with calibres less than 20 mm and explosions less than 50 g TNT equivalent.

This part of ISO17201 specifies methods for estimating the acoustic source data of muzzle blast and explosions and the source data of projectile sound on the basis of non-acoustic data for firearms with calibres less than 20mm and explosions less than 50g TNT equivalent.

This part of ISO17201 addresses those cases where no source measurements exist or where the data necessary to calculate projectile sound according to ISO17201-4 are unknown. An example of this situation would be measuring projectile sound from shot guns pellets. This part of ISO17201 can also be used as an interpolation method between measurements of muzzle blast.

Source data are given in terms of spectral angular source energy covering the frequency range from 12,5Hz to 10kHz and can be used as data input for sound propagation calculation.

This part of ISO17201 is not applicable to the prediction of sound levels for the assessment of hearing damage and cannot be used to predict sound pressure levels or sound exposure levels below a specific distance where linear acoustics does not apply.

Committee
EH/1/3
DocumentType
Standard
Pages
42
PublisherName
British Standards Institution
Status
Current

IEC 61672-2:2013+AMD1:2017 CSV Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests
ISO 17201-4:2006 Acoustics Noise from shooting ranges Part 4: Prediction of projectile sound
ISO 9613-1:1993 Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere
ISO 17201-1:2005 Acoustics Noise from shooting ranges Part 1: Determination of muzzle blast by measurement
ANSI/ASA S1.26 : 2014 METHOD FOR CALCULATION OF THE ABSORPTION OF SOUND BY THE ATMOSPHERE
ISO 1996-1:2016 Acoustics Description, measurement and assessment of environmental noise Part 1: Basic quantities and assessment procedures
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
IEC 60804:2000 Integrating-averaging sound level meters

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